This case report documents a rare occurrence of multiform accelerated idioventricular rhythm in a child recovering from acute myocarditis, which resolved spontaneously.
Supports recognition of transient multiform AIVR as potentially benign in pediatric myocarditis recovery; leaves open systematic characterization.
Acute myocarditis is complicated by various types of conducting disturbances and heart failure. We describe the case of a school boy with acute myocarditis, who developed various types of conduction disturbances, including multiform accelerated idioventricular rhythm (AIVR), during convalescence from severe pump failure. Multiform AIVR has been reported mostly in adults but, to the best of our knowledge, not in children. The arrhythmia noted in our patient persisted for only 2 days and disappeared with recovery.
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Nakagawa et al. (1988) studied this question.
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